REMOVE

1. Mining
2. Langevin
3. 1861

WHAT

1. Administrative and politi … (6)
2. Agriculture (6)
3. Atlas Map (6)
4. World Atlas (6)

WHERE

1. Africa (1)
2. Asia (1)
3. Australia (1)
4. Canada (1)
5. Central America (1)

WHO

1. Francois Delarue, Bulla F … (6)
2. Gerin (6)
3. Guensu (5)
4. Lefevre, F. (6)
5. Mangeon (6)
6. Testard, A. (6)
7. Vuillemin, Alexandre (6)

WHEN

1. 1863 (6)